cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A340141 Numerators of the sequence whose Dirichlet convolution with itself yields sequence A160595(x) = phi(x)/gcd(phi(x), x-1).

Table of values

n a(n)
1 1
2 1
3 1
4 7
5 1
6 3
7 1
8 25
9 11
10 7
11 1
12 19
13 1
14 11
15 7
16 363
17 1
18 31
19 1
20 43
21 5
22 19
23 1
24 63
25 19
26 23
27 61
28 3
29 1
30 15
31 1
32 1335
33 9
34 31
35 23
36 189
37 1
38 35
39 23
40 139
41 1
42 29
43 1
44 115
45 23
46 43
47 1
48 867
49 27
50 127
51 31
52 11
53 1
54 163
55 39
56 279
57 17
58 55
59 1
60 73
61 1
62 59
63 123
64 9923
65 5
66 -15
67 1
68 187
69 21
70 -9
71 1
72 615
73 1
74 71
75 127
76 19
77 29
78 47
79 1
80 1875
81 1363
82 79
83 1
84 203
85 31

List of values

[1, 1, 1, 7, 1, 3, 1, 25, 11, 7, 1, 19, 1, 11, 7, 363, 1, 31, 1, 43, 5, 19, 1, 63, 19, 23, 61, 3, 1, 15, 1, 1335, 9, 31, 23, 189, 1, 35, 23, 139, 1, 29, 1, 115, 23, 43, 1, 867, 27, 127, 31, 11, 1, 163, 39, 279, 17, 55, 1, 73, 1, 59, 123, 9923, 5, -15, 1, 187, 21, -9, 1, 615, 1, 71, 127, 19, 29, 47, 1, 1875, 1363, 79, 1, 203, 31]